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Liquitrend QMW43 - Compact device for continuous buildup thickness and conductivity measurement

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F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
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Liquid Analysis Physical Medium Properties Liquitrend QMW43

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Compact device for continuous buildup thickness and conductivity measurement

Measuring range Conductivity:
0 µS/ cm...100 mS/ cm
Build-up thickness:
0 mm…10 mm

Process temperature -20°C…+100°C
(-4°F...+212°F)
+150°C (+302°F) for 1h

Process pressure Vacuum...25 bar
(Vacuum...362.5 psi)

Measuring method Capacitive- conductive

Product is getting phased out

Phase out Product status

Liquid Analysis Physical Medium Properties Liquitrend QMW43

New alternatives available

Successor

Liquipoint FTW33

Phase out policy

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Phase out policy

Endress+Hauser are committed to the long term support of all our products

We undertake support and service for our products for a period of ten years after notice of product withdrawal (until spareparts are not available any more)

However we reserve us the right to offer alternative solutions including replacement products if deemed more appropriated.

Product status

Product root QMW43

Name Liquid Analysis Physical Medium Properties Liquitrend QMW43

Product status In phase out

Phase out date 10/2024

Order stop 7/2025

Spare sensor until not applicable

Calibration until not applicable

Spares available not applicable

Repair until not applicable

New alternative FTW33

Maintenance advice

Memosens CLS15E - Digital contacting conductivity sensor for pure and ultrapure water

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Digital conductivity sensor Memosens CLS15E

Memosens 2.0 contacting conductivity sensor for standard applications in pure and ultrapure water

Measuring range k=0,01: 0.04 to 20 µS/cm
k=0,1: 0.10 to 200 µS/cm

Process temperature Threaded with fixed cable:
-20 to 100 °C (-4 to 212 °F)
Threaded with plug-in head:
-20 to 120 °C (-4 to 248 °F)
Sterilization: max. 140 °C (284 °F) for 30 minutes

Process pressure 13 bar at 20 °C (188 psi at 68 °F) absolute
2 bar at 120 °C (14 psi at 248 °F) absolute

Memosens CLS16E - Digital, contacting conductivity sensor with certified hygienic design

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Digital conductivity sensor Memosens CLS16E

Memosens 2.0 contacting conductivity sensor for hygienic applications in life sciences and food

Measuring range k=0,1: 0,04 to 500 µS/cm

Process temperature -5 to 120 °C (23 to 248 °F)
For Sterilizsation: max. 150 °C at 5 bar
(Max. 302 °F at 73 psi)

Process pressure 13 bar at 20 °C (188 psi at 68 °F)
9 bar at 120 °C (130 psi at 248 °F)

Memosens CLS21E - Robust conductivity sensor for medium conductivities

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Digital conductivity sensor Memosens CLS21E

Memosens 2.0 contacting conductivity sensor for surface and drinking water monitoring

Measuring range k=1: 10 µS/cm to 20 mS/cm

Process temperature -20 to 135 °C at 3.5 bar abs
(-4 to 275 °F at 50 psi)

Process pressure 17 bar abs at 20 °C
(246 psi at 68 °F)

Memosens CLS82E - Hygienic 4-electrode conductivity sensor for life sciences, food & beverage

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Digital 4-electrode conductivity sensor Memosens CLS82E

Memosens 2.0 contacting conductivity sensor for hygienic applications in life sciences, food & bev

Measuring range 1 µS/cm to 500 mS/cm

Process temperature -5 to 120 °C (23 to 248 °F)
Sterilization: max. 140 °C at 6 bar for max. 45 min
(Max. 284 °F at 87 psi for max. 45 min)

Process pressure 17 bar abs at 20 °C (247 psi at 68 °F)
9 bar abs at 120 °C (131 psi at 248 °F)

Condumax CLS12 is a robust conductivity sensor for steam/water cycles in power plants.

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Analog conductivity sensor Condumax CLS12

Conductive conductivity sensor for high temperature applications in the power & energy industry

Measuring range k=0.01: 0 to 20 µS/cm
k= 0.1: 0 to 200 µS/cm

Process temperature -30 to 160 °C (-22 to 320 °F)

Process pressure Max. 40 bar up to 100 °C (max. 580 psi up to 212 °F) without CLA 751 flow chamber
Max. 12 bar up to 150 °C (max. 174 psi up to 302 °F) with CLA 751 flow chamber

Condumax CLS13 s a robust conductivity sensor for steam/water cycles in power plants.

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Analog conductivity sensor Condumax CLS13

Conductive conductivity sensor for high temperature applications in the power & energy industry

Measuring range k=0,01: 0-20,0 µS/cm
k=0,1: 0-200,0 µS/cm

Process temperature max. 250 °C (482 °F)

Process pressure max. 40 bar (580 psi)

Condumax CLS15 is a reliable conductivity sensor for pure and ultrapure water applications.

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Analog conductivity sensor Condumax CLS15

Conductive conductivity sensor for standard applications in pure and ultrapure water

Measuring range k=0,01: 0-20 µS/cm
k=0,1: 0-200 µS/cm

Process temperature max. 130°C (150°C / 30 min.)
(max. 266°F (302°F/30 min.)

Process pressure max. 12 bar at 20°C
(174 psi at 68°F)

Condumax CLS16B is an analog conductivity sensor for hygienic applications

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Analog conductivity sensor Condumax CLS16B

Contacting conductivity sensor for hygienic applications in the food & beverage and life sciences industries

Measuring range k=0,1: 0,04µS/cm - 500µS/cm

Process temperature Max. 120°C (150°C/30 min)
max. 248°F (302°F/30 min.)

Process pressure max. 12 bar at 20°C
max.174 psi at 68°F

Condumax CLS19 is a conductivity probe for simple standard applications in pure and ultrapure water

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Analog conductivity sensor Condumax CLS19

Conductive conductivity sensor for simple standard applications in pure and ultrapure water

Measuring range k=0,01: 0-20 µS/cm
k=0,1: 0-200 µS/cm

Process temperature max. 60°C
max. 140°F

Process pressure max. 6 bar at 20°C
(max.87 psi at 68°F)

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